Ungraded vs PSA 10 Grass Energy #99: price difference
Grass Energy #99 value — Ungraded $15 vs PSA 10 $31. PSA 10 sells for 2.07× Ungraded (+107%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 2.07× (+107%) the Ungraded price — a $16 difference per card.
PSA 10 sells for 2.38× (+138%) the Grade 9 price — a $18 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Grass Energy #99, the jump from Ungraded to PSA 10 is worth $16 (2.07×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).